Mary O'Brien
Mary O'Brien is a character from Mrs. O'Brien Entertains. Sing as Mary O'Brien alongside real Broadway performers at Sing with the Stars in New York City.
Sing as This CharacterCast History
Original (1939–1939)
From the show
Mary O'Brien appears in Mrs. O'Brien Entertains.
View show details →Also appears in
Mary O'Brien also appears in:
Frequently Asked Questions
- Who is Mary O'Brien?
- Mary O'Brien is a Broadway character from Mrs. O'Brien Entertains.
- What show is Mary O'Brien from?
- Mary O'Brien is a character from Mrs. O'Brien Entertains, a Broadway play.
- Who has played Mary O'Brien?
- Mary O'Brien has been played by Margaret Mullen across Broadway productions.
- Can I sing as Mary O'Brien at Sing with the Stars?
- Sing with the Stars features songs from many Broadway shows. Members sing karaoke alongside real Broadway performers at live nights in NYC, and you may get to sing as Mary O'Brien. Request an invite.
Other characters from Mrs. O'Brien Entertains
View all 21 characters →Want to sing as Mary O'Brien?
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